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![Takashi Iwai](/assets/img/avatar_default.png)
Most of snd_kcontrol_new definitions are read-only and passed as-is. Let's declare them as const for further optimization. There should be no functional changes by this patch. Link: https://lore.kernel.org/r/20200103081714.9560-42-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
122 lines
4 KiB
C
122 lines
4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __USB_MIXER_US16X08_H
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#define __USB_MIXER_US16X08_H
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#define SND_US16X08_MAX_CHANNELS 16
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/* define some bias, cause some alsa-mixers wont work with
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* negative ranges or if mixer-min != 0
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*/
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#define SND_US16X08_NO_BIAS 0
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#define SND_US16X08_FADER_BIAS 127
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#define SND_US16X08_EQ_HIGHFREQ_BIAS 0x20
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#define SND_US16X08_COMP_THRESHOLD_BIAS 0x20
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#define SND_US16X08_COMP_ATTACK_BIAS 2
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#define SND_US16X08_COMP_RELEASE_BIAS 1
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/* get macro for components of kcontrol private_value */
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#define SND_US16X08_KCBIAS(x) (((x)->private_value >> 24) & 0xff)
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#define SND_US16X08_KCSTEP(x) (((x)->private_value >> 16) & 0xff)
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#define SND_US16X08_KCMIN(x) (((x)->private_value >> 8) & 0xff)
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#define SND_US16X08_KCMAX(x) (((x)->private_value >> 0) & 0xff)
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/* set macro for kcontrol private_value */
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#define SND_US16X08_KCSET(bias, step, min, max) \
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(((bias) << 24) | ((step) << 16) | ((min) << 8) | (max))
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/* the URB request/type to control Tascam mixers */
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#define SND_US16X08_URB_REQUEST 0x1D
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#define SND_US16X08_URB_REQUESTTYPE 0x40
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/* the URB params to retrieve meter ranges */
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#define SND_US16X08_URB_METER_REQUEST 0x1e
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#define SND_US16X08_URB_METER_REQUESTTYPE 0xc0
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#define MUA0(x, y) ((x)[(y) * 10 + 4])
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#define MUA1(x, y) ((x)[(y) * 10 + 5])
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#define MUA2(x, y) ((x)[(y) * 10 + 6])
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#define MUB0(x, y) ((x)[(y) * 10 + 7])
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#define MUB1(x, y) ((x)[(y) * 10 + 8])
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#define MUB2(x, y) ((x)[(y) * 10 + 9])
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#define MUC0(x, y) ((x)[(y) * 10 + 10])
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#define MUC1(x, y) ((x)[(y) * 10 + 11])
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#define MUC2(x, y) ((x)[(y) * 10 + 12])
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#define MUC3(x, y) ((x)[(y) * 10 + 13])
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/* Common Channel control IDs */
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#define SND_US16X08_ID_BYPASS 0x45
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#define SND_US16X08_ID_BUSS_OUT 0x44
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#define SND_US16X08_ID_PHASE 0x85
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#define SND_US16X08_ID_MUTE 0x83
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#define SND_US16X08_ID_FADER 0x81
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#define SND_US16X08_ID_PAN 0x82
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#define SND_US16X08_ID_METER 0xB1
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#define SND_US16X08_ID_EQ_BAND_COUNT 4
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#define SND_US16X08_ID_EQ_PARAM_COUNT 4
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/* EQ level IDs */
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#define SND_US16X08_ID_EQLOWLEVEL 0x01
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#define SND_US16X08_ID_EQLOWMIDLEVEL 0x02
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#define SND_US16X08_ID_EQHIGHMIDLEVEL 0x03
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#define SND_US16X08_ID_EQHIGHLEVEL 0x04
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/* EQ frequence IDs */
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#define SND_US16X08_ID_EQLOWFREQ 0x11
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#define SND_US16X08_ID_EQLOWMIDFREQ 0x12
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#define SND_US16X08_ID_EQHIGHMIDFREQ 0x13
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#define SND_US16X08_ID_EQHIGHFREQ 0x14
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/* EQ width IDs */
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#define SND_US16X08_ID_EQLOWMIDWIDTH 0x22
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#define SND_US16X08_ID_EQHIGHMIDWIDTH 0x23
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#define SND_US16X08_ID_EQENABLE 0x30
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#define EQ_STORE_BAND_IDX(x) ((x) & 0xf)
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#define EQ_STORE_PARAM_IDX(x) (((x) & 0xf0) >> 4)
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#define SND_US16X08_ID_ROUTE 0x00
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/* Compressor Ids */
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#define SND_US16X08_ID_COMP_BASE 0x32
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#define SND_US16X08_ID_COMP_THRESHOLD SND_US16X08_ID_COMP_BASE
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#define SND_US16X08_ID_COMP_RATIO (SND_US16X08_ID_COMP_BASE + 1)
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#define SND_US16X08_ID_COMP_ATTACK (SND_US16X08_ID_COMP_BASE + 2)
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#define SND_US16X08_ID_COMP_RELEASE (SND_US16X08_ID_COMP_BASE + 3)
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#define SND_US16X08_ID_COMP_GAIN (SND_US16X08_ID_COMP_BASE + 4)
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#define SND_US16X08_ID_COMP_SWITCH (SND_US16X08_ID_COMP_BASE + 5)
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#define SND_US16X08_ID_COMP_COUNT 6
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#define COMP_STORE_IDX(x) ((x) - SND_US16X08_ID_COMP_BASE)
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struct snd_us16x08_eq_store {
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u8 val[SND_US16X08_ID_EQ_BAND_COUNT][SND_US16X08_ID_EQ_PARAM_COUNT]
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[SND_US16X08_MAX_CHANNELS];
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};
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struct snd_us16x08_comp_store {
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u8 val[SND_US16X08_ID_COMP_COUNT][SND_US16X08_MAX_CHANNELS];
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};
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struct snd_us16x08_meter_store {
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int meter_level[SND_US16X08_MAX_CHANNELS];
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int master_level[2]; /* level of meter for master output */
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int comp_index; /* round trip channel selector */
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int comp_active_index; /* channel select from user space mixer */
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int comp_level[16]; /* compressor reduction level */
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struct snd_us16x08_comp_store *comp_store;
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};
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struct snd_us16x08_control_params {
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const struct snd_kcontrol_new *kcontrol_new;
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int control_id;
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int type;
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int num_channels;
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const char *name;
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int default_val;
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};
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#define snd_us16x08_switch_info snd_ctl_boolean_mono_info
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int snd_us16x08_controls_create(struct usb_mixer_interface *mixer);
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#endif /* __USB_MIXER_US16X08_H */
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